输电线路杆塔基础开裂检测及成因分析

The World of Building Materials(2019)

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Abstract
输电线路杆塔基础在长期服役过程中,开裂是其最常见的破坏形式.造成此现象的原因有:(1)施工控制不严格,因离析现象导致混凝土力学性能发展不良,诱发开裂现象;(2)基于硫酸盐侵蚀生成的膨胀性产物水化硫铝酸钙和钙钒石会进一步加剧开裂行为,最终导致结构整体开裂.
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